Java tutorial
/* * Copyright 2012-2015 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package jp.gr.java_conf.bufferings.thymeleaf.spring.boot; import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProvider; import org.springframework.boot.autoconfigure.thymeleaf.ThymeleafProperties; import org.springframework.boot.bind.RelaxedPropertyResolver; import org.springframework.core.env.Environment; import org.springframework.core.env.PropertyResolver; import org.springframework.core.io.ResourceLoader; import org.springframework.util.ClassUtils; /** * Modify {@link ThymeleafProperties} for Thymeleaf3. * * @author Mitsuyuki Shiiba */ public class Thymeleaf3TemplateAvailabilityProvider implements TemplateAvailabilityProvider { @Override public boolean isTemplateAvailable(String view, Environment environment, ClassLoader classLoader, ResourceLoader resourceLoader) { if (ClassUtils.isPresent("org.thymeleaf.spring4.SpringTemplateEngine", classLoader) && ClassUtils.isPresent("org.thymeleaf.Thymeleaf", classLoader)) { PropertyResolver resolver = new RelaxedPropertyResolver(environment, "spring.thymeleaf3."); String prefix = resolver.getProperty("prefix", Thymeleaf3Properties.DEFAULT_PREFIX); String suffix = resolver.getProperty("suffix", Thymeleaf3Properties.DEFAULT_SUFFIX); return resourceLoader.getResource(prefix + view + suffix).exists(); } return false; } }